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DTC P2504: Notes

DETECTION CONDITION AND POSSIBLE CAUSE (DTC P2504 - LF, L3)

DTC P2504 Charging system voltage high
DETECTION CONDITION 
  • The PCM judges generator output voltage is above 18.5 V  or battery voltage is above 16.0 V  during engine running.

    • Diagnostic support note 

  • This is a continuous monitor (Other).
  • The MIL does not illuminate.
  • PENDING CODE is available if the PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is not available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Short to power circuit between generator connector terminal D and PCM connector terminal 2AI(1), 2AQ(2), 2AI(3)
  • Generator malfunction
  • PCM and/or generator are poorly connected
G04313436Courtesy of MAZDA MOTORS CORP.
(1) California emission regulation applicable model
(2) Except for California emission regulation applicable model with LF ATX
(3) Except for California emission regulation applicable model with LF MTX, L3
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